| 发明名称 |
NEW 1-OXA-4,8-DIAZASPIRO(4,5)DECANES,THEIR PRODUCTION AND THEIR USE AS AGENTS FOR PROTECTION AGAINST LIGHT |
| 摘要 |
of the disclosure: New 1-oxa-4,8-diazaspiro¢4,5!decanes are prepared by reacting a dimethyl-dialkyl-piperidone with an .alpha.-hydroxyamide in the presence of a condensation catalyst. The compounds can be used as UV stabilizers for polymers. |
| 申请公布号 |
ZA7704689(B) |
申请公布日期 |
1978.07.26 |
| 申请号 |
ZA19770004689 |
申请日期 |
1977.08.03 |
| 申请人 |
HOECHST AG |
发明人 |
PFAHLER G;MAYER N;WIEZER H |
| 分类号 |
C08K5/00;C07D498/10;C07D498/20;C08K5/34;C08K5/3477;C08K5/35;C09K15/30 |
主分类号 |
C08K5/00 |
| 代理机构 |
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